| H36829 | Proliferative sickle-cell retinopathy, unspecified eye |
| H3689 | Other retinal disorders in diseases classified elsewhere |
| H40 | Glaucoma |
| H400 | Glaucoma suspect |
| H4000 | Preglaucoma, unspecified |
| H40001 | Preglaucoma, unspecified, right eye |
| H40002 | Preglaucoma, unspecified, left eye |
| H40003 | Preglaucoma, unspecified, bilateral |
| H40009 | Preglaucoma, unspecified, unspecified eye |
| H4001 | Open angle with borderline findings, low risk |
| H40011 | Open angle with borderline findings, low risk, right eye |
| H40012 | Open angle with borderline findings, low risk, left eye |
| H40013 | Open angle with borderline findings, low risk, bilateral |
| H40019 | Open angle with borderline findings, low risk, unspecified eye |
| H4002 | Open angle with borderline findings, high risk |
| H40021 | Open angle with borderline findings, high risk, right eye |
| H40022 | Open angle with borderline findings, high risk, left eye |
| H40023 | Open angle with borderline findings, high risk, bilateral |
| H40029 | Open angle with borderline findings, high risk, unspecified eye |
| H4003 | Anatomical narrow angle |
| H40031 | Anatomical narrow angle, right eye |
| H40032 | Anatomical narrow angle, left eye |
| H40033 | Anatomical narrow angle, bilateral |
| H40039 | Anatomical narrow angle, unspecified eye |
| H4004 | Steroid responder |
| H40041 | Steroid responder, right eye |
| H40042 | Steroid responder, left eye |
| H40043 | Steroid responder, bilateral |
| H40049 | Steroid responder, unspecified eye |
| H4005 | Ocular hypertension |
| H40051 | Ocular hypertension, right eye |
| H40052 | Ocular hypertension, left eye |
| H40053 | Ocular hypertension, bilateral |
| H40059 | Ocular hypertension, unspecified eye |
| H4006 | Primary angle closure without glaucoma damage |
| H40061 | Primary angle closure without glaucoma damage, right eye |
| H40062 | Primary angle closure without glaucoma damage, left eye |
| H40063 | Primary angle closure without glaucoma damage, bilateral |
| H40069 | Primary angle closure without glaucoma damage, unspecified eye |
| H401 | Open-angle glaucoma |
| H4010 | Unspecified open-angle glaucoma |
| H4010X0 | Unspecified open-angle glaucoma, stage unspecified |
| H4010X1 | Unspecified open-angle glaucoma, mild stage |
| H4010X2 | Unspecified open-angle glaucoma, moderate stage |
| H4010X3 | Unspecified open-angle glaucoma, severe stage |
| H4010X4 | Unspecified open-angle glaucoma, indeterminate stage |
| H4011 | Primary open-angle glaucoma |
| H40111 | Primary open-angle glaucoma, right eye |
| H401110 | Primary open-angle glaucoma, right eye, stage unspecified |
| H401111 | Primary open-angle glaucoma, right eye, mild stage |